Inventor · disambiguated record
Jen-Ray Chang
Also filed as: CHANG JEN-RAY
7 granted patents·79 citations·filing 1996–2013
84Inventor score
Top patents by PatentIndex Score
7 records- 0188US5770761AProcess for ethyl acetate productionCHINESE PETROLEUM CORP·Filed 1996·Granted Jun 23, 1998·42 cites·18 claims
- 0283US6399812B1Production of aliphatic estersFiled 2000·Granted Jun 4, 2002·15 cites·16 claims
- 0380US8624073B1Homogeneous catalysts for biodiesel productionYANG SHIH-CHIEH·Filed 2013·Granted Jan 7, 2014·6 cites·22 claims
- 0475US8338506B2Method for producing improved rubberized concrete using waste rubber tiresYEN KUO-JI·Filed 2011·Granted Dec 25, 2012·3 cites·33 claims
- 0570US8536239B1Method for producing improved rubberized concrete using waste rubber tiresYEN KUO-JI·Filed 2011·Granted Sep 17, 2013·2 cites·21 claims
- 0664US8536253B2Method for producing rubberized concrete using waste rubber tiresCHUN WELL INDUSTRY CO LTD·Filed 2012·Granted Sep 17, 2013·1 cites·20 claims
- 0760US7060236B2Process for removing volatile organic compoundsYAN TSOUNG Y·Filed 2002·Granted Jun 13, 2006·10 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →